/*
 *    Copyright 2019 The aio-socket Project
 *
 *    The aio-socket Project Licenses this file to you under the Apache License,
 *    Version 2.0 (the "License"); you may not use this file except in compliance
 *    with the License. You may obtain a copy of the License at:
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package io.task.socket.intf;

import io.task.socket.core.AbstractChannelContext;
import io.task.socket.enums.StateMachineEnum;

public interface StateMachineEvent {

	/**
	 * 状态机事件,当枚举事件发生时由框架触发该方法
	 *
	 * @param abstractChannelContext 本次触发状态机的ChannelContext对象
	 * @param stateMachineEnum       状态枚举
	 * @param throwable              异常对象，如果存在的话
	 * @see StateMachineEnum    状态机枚举
	 */
	default void stateEvent(AbstractChannelContext abstractChannelContext, StateMachineEnum stateMachineEnum, Throwable throwable) {
		if (stateMachineEnum == StateMachineEnum.DECODE_EXCEPTION || stateMachineEnum == StateMachineEnum.PROCESS_EXCEPTION) {
			throwable.printStackTrace();
		}
	}
}
